cast for losing Solaris

diff --git a/src/printf.c b/src/printf.c
index c86108c9e5a90ba649f249ec324769c0b28516e4..be7c33b42eecf4691b7b43186f4a9416a3847486 100644 (file)
--- a/src/printf.c
+++ b/src/printf.c
@@ -1,5 +1,5 @@
 /* printf - format and print data
-   Copyright (C) 90,91,92,93,94,95,96,1997 Free Software Foundation, Inc.
+   Copyright (C) 90,91,92,93,94,95,96,97,1998 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -224,7 +224,7 @@ print_esc (const char *escstart)
   if (*p == 'x')
     {
       for (esc_length = 0, ++p;
-          esc_length < 3 && ISXDIGIT (*p);
+          esc_length < 3 && ISXDIGIT (*(const unsigned char*)p);
           ++esc_length, ++p)
        esc_value = esc_value * 16 + hextobin (*p);
       if (esc_length == 0)